# "API call failed with command: show-simple-gateway" error on Cloud Management Extension (CME)

## Product
Cloud Firewall

## Version
R81.20

## OS
Gaia

## Last Modified
2023-05-11

## Symptoms

- The command '`service cme test`' fails on CME with the error:

`API call failed with command: show-simple-gateway
  Payload: {'name': 'GW-NAME'}
  Error details: {'code': 'generic_error', 'message': 'Null Pointer exception: null'}`

- Running the same API call, '`mgmt_cli -r true show simple-gateway GW_NAME`' to see if the CME is running fails with the same error:

`[Expert@hostname:0]#  mgmt_cli -r true show simple-gateway name GW_NAME
  code: "generic_error"
  message: "Null Pointer exception: null"`

## Solution

This problem was fixed. The fix is included in:

- [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 8

Check Point recommends to always upgrade to the [Recommended version](https://support.checkpoint.com/results/sk/sk95746) ( [Security Management Server](https://support.checkpoint.com/product/184) / [Multi-Domain Security Management Server](https://support.checkpoint.com/product/166)).

If you choose not to upgrade, [contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a Hotfix for your version.

A Support Engineer will make sure the Hotfix is compatible with your environment before providing it.

For faster resolution and verification, collect [CPinfo](https://support.checkpoint.com/results/sk/sk92739) files from the Management Server and Security Gateways / Cluster Members involved in the case.

**Hotfix installation instructions:**

Refer to [sk168597 - How to install a Hotfix](https://support.checkpoint.com/results/sk/sk168597).

#### NOTE

This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

## Article Properties

- Access Level: General
- Status: Approved by TAC
- Date Created: 2023-05-05
- Last Modified: 2023-05-11